PRODUCT

DT Series MED

— 对讲机

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DT844FF
VHF对讲机,DTEx 消防员系列具有市场领先的 IP68 潜水等级(深水2 米可持续 4 小时),为下一代符合 MED 标准的消防员无线电树立了标杆。
产品介绍

General

Frequency RangeVHF 156-163MHz
ChannelsMarine INT/USA & CAN inc. new 4-digit CH
Channel Spacing Analogue12.5KHz & 25KHz
BatteryCNB950EV2 1800mAh Lithium-ion
Overall Dimensions (HxWxD)138mm x 60mm x 38mm
Frequency Stability±0.5ppm
Operating Voltage7.4v
Programmable Buttons3
Battery Endurance (5/5/90 - Analog Mode)10 hours
Battery care information:Visit entel.co.uk/battery_care

Transmitter

Output Power3.9W High 1W Low
Modulation Limiting±2.5KHz / ±5.0KHz
FM Hum and Noise>-40dB / >-45dB
Unwanted Emissions<2nW up to 1GHz, <20nW from 1GHz to 2GHz
Adjacent Channel Power>60dBc / >70dBc
Audio Response (FM)300Hz to 3KHz -6dB/Octave
Audio Distortion<5%
FM Modulation16K0F3E

Receiver

Analogue Sensitivity-120dBm (0.2uV) for 12dB SINAD
Intermodulation Response Rejection>68dB
Adjacent Channel Selectivity>60dB / >70dB
Spurious Response Rejection>70dB
Audio Output Power1 Watt
Audio Distortion5%
Hum and Noise>-40dB / >-45dB
Audio Response300Hz to 3KHz -6dB/Octave
Conducted Spurious Emissions<2nW up to 1GHz, <20nW from 1GHz to 2GHz

Environmental

Ex ProtectionATEX II 2G Ex ib IIB T4 Gb
Operating Temperature-20°C to +40°C
Storage Temperature-40°C to +85°C
Thermal Shock, Humidity, Shock & Vibration, Packing Test, Drop TestCompliant MIL-STD-810 C/D/E/F/G
Dust & Liquid IngressIP68 (2m 4h Submersible)
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